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Finding the Fourth Proportional to 488,079.06, 673,201.90 and 447,922.50

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Solution

The fourth proportional to 488,079.06, 673,201.90 and 447,922.50 is: 617,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,079.06 : 673,201.90 = 447,922.50 : x
  2. Step 2: Convert to fraction form
    488,079.06/673,201.90 = 447,922.50/x
  3. Step 3: Cross multiply
    488,079.06x = 673,201.90 × 447,922.50
  4. Step 4: Simplify right side
    488,079.06x = 301,542,278,052.75
  5. Step 5: Solve for x
    x = 301,542,278,052.75/488,079.06
  6. Step 6: Final answer
    x = 617,814.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.